#if 1
#include "stdio.h"

int main(){
	char c1,c2,c3,c4;
	c1 = 'a';
	c2 = '\x61';
	c3 = 0x61;
	c4 = 97;
	printf("%c %c %c %c\n",c1,c2,c3,c4);
	printf("%d %d %d %d\n",c1,c2,c3,c4);
	return 0;
}
#endif
